raman
2
Please post a hijackthis log: http://www.bleepingcomputer.com/tutorials/tutorial42.html#HowToUse
Combofix could be usefull too: http://www.techsupportforum.com/sectools/sUBs/ComboFix.exe
Double click combofix.exe & follow the prompts. When finished, it will produce a log for you. Post that log in your next reply please.
Do you know, what Avast already deleted?